Home / 68,790.11-94,930.28-40,110.95

Finding the Fourth Proportional to 68,790.11, 94,930.28 and 40,110.95

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Solution

The fourth proportional to 68,790.11, 94,930.28 and 40,110.95 is: 55,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,790.11 : 94,930.28 = 40,110.95 : x
  2. Step 2: Convert to fraction form
    68,790.11/94,930.28 = 40,110.95/x
  3. Step 3: Cross multiply
    68,790.11x = 94,930.28 × 40,110.95
  4. Step 4: Simplify right side
    68,790.11x = 3,807,743,367.77
  5. Step 5: Solve for x
    x = 3,807,743,367.77/68,790.11
  6. Step 6: Final answer
    x = 55,353.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.